diff --git a/Makefile b/Makefile
index d76f9d6..f37f55e 100644
--- a/Makefile
+++ b/Makefile
@@ -6,7 +6,6 @@ ECR_URL_DEV:=222053980223.dkr.ecr.us-east-1.amazonaws.com/browsertrix-harvester-
 ### End of Terraform-generated header                            ###
 SHELL=/bin/bash
 DATETIME:=$(shell date -u +%Y%m%dT%H%M%SZ)
-CURRENT_DATE=$(date +"%Y-%m-%d")
 
 ### Dependency commands ###
 install: # install python dependencies
@@ -67,13 +66,14 @@ run-harvest-local:
 
 # Test Dev1 harvest
 run-harvest-dev:
-	CRAWL_NAME=test-harvest-ecs-$CURRENT_DATE aws ecs run-task \
+	CRAWL_NAME=test-harvest-ecs-$(DATETIME); \
+	aws ecs run-task \
 		--cluster timdex-dev \
 		--task-definition timdex-browsertrixharvester-dev \
 		--launch-type="FARGATE" \
 		--region us-east-1 \
 		--network-configuration '{"awsvpcConfiguration": {"subnets": ["subnet-0488e4996ddc8365b","subnet-022e9ea19f5f93e65"], "securityGroups": ["sg-044033bf5f102c544"]}}' \
-		--overrides '{"containerOverrides": [ {"name":"browsertrix-harvester", "command": ["--verbose", "harvest", "--crawl-name", "'"$CRAWL_NAME"'", "--config-yaml-file", "/browsertrix-harvester/tests/fixtures/lib-website-homepage.yaml", "--metadata-output-file", "s3://timdex-extract-dev-222053980223/librarywebsite/'"$CRAWL_NAME"'.xml", "--wacz-output-file", "s3://timdex-extract-dev-222053980223/librarywebsite/'"$CRAWL_NAME"'.wacz", "--num-workers", "2"]}]}'
+		--overrides '{"containerOverrides": [ {"name":"browsertrix-harvester", "command": ["--verbose", "harvest", "--crawl-name", "'$$CRAWL_NAME'", "--config-yaml-file", "/browsertrix-harvester/tests/fixtures/lib-website-homepage.yaml", "--metadata-output-file", "s3://timdex-extract-dev-222053980223/librarywebsite/'$$CRAWL_NAME'.xml", "--wacz-output-file", "s3://timdex-extract-dev-222053980223/librarywebsite/'$$CRAWL_NAME'.wacz", "--num-workers", "2"]}]}'
 
 # Test local URL content parsing
 test-parse-url-content:
diff --git a/README.md b/README.md
index b043361..ffc209c 100644
--- a/README.md
+++ b/README.md
@@ -56,7 +56,7 @@ make run-harvest-dev
 ```
   * Set AWS credentials are required in calling context
   * Kicks off an ECS Fargate task in Dev1
-  * WACZ file and metadata file are written to S3 at `timdex-extract-dev-222053980223/librarywebsite/test-harvest-ecs-$CURRENT_DATE.xml|wacz`
+  * WACZ file and metadata file are written to S3 at `timdex-extract-dev-222053980223/librarywebsite/test-harvest-ecs-<TIMESTAMP>.xml|wacz`
 
 ## CLI commands
 
diff --git a/bin/test-harvest-ecs-dev1.sh b/bin/test-harvest-ecs-dev1.sh
deleted file mode 100755
index 3542415..0000000
--- a/bin/test-harvest-ecs-dev1.sh
+++ /dev/null
@@ -1,13 +0,0 @@
-# extract date
-export CURRENT_DATE=$(date +"%Y-%m-%d")
-export CRAWL_NAME=test-harvest-ecs-$CURRENT_DATE
-echo "Invoking test crawl as ECS task in Dev1 named: $CRAWL_NAME"
-
-# invoke ECS task
-aws ecs run-task \
---cluster timdex-dev \
---task-definition timdex-browsertrixharvester-dev \
---launch-type="FARGATE" \
---region us-east-1 \
---network-configuration '{"awsvpcConfiguration": {"subnets": ["subnet-0488e4996ddc8365b","subnet-022e9ea19f5f93e65"], "securityGroups": ["sg-044033bf5f102c544"]}}' \
---overrides '{"containerOverrides": [ {"name":"browsertrix-harvester", "command": ["--verbose", "harvest", "--crawl-name", "'"$CRAWL_NAME"'", "--config-yaml-file", "/browsertrix-harvester/tests/fixtures/lib-website-homepage.yaml", "--metadata-output-file", "s3://timdex-extract-dev-222053980223/librarywebsite/'"$CRAWL_NAME"'.xml", "--wacz-output-file", "s3://timdex-extract-dev-222053980223/librarywebsite/'"$CRAWL_NAME"'.wacz", "--num-workers", "2"]}]}'
\ No newline at end of file